iDevice tut
1. Go to setting application and turn on wifi and click on the name of your one. If you do not have wifi go to the iTunes tut. Exit the application by pressing the home or the circle button with the white square.
2. Go to the AppStore application and wait for it to load. Make your way around the app comfortable and find the best free apps tab. Click on it.
3. Click on an appealing app and press the free button twice. A popup will ask for your iTunes name and password. It's not a scam. Very safe.
4. You will be popes back on the homescreen and your chosen app will have a bar. You may do whatever you wish with your device except turn it off until it finishes downloading. When it has finished click in it to play.

iTunes tut
1. Go to iTunes in your computer. Make sure you have an Internet connection. Go to the iTunes store on the side of iTunes.
2. Find the app store tab on the window near the top and press it. On the right side should be loads of apps. For now scroll down to best free apps and click on one app by pressing on the squarish picture with your mouse. Click on the silver bar on the left and dill in the details the popup says. It's very secure.
3. A tab on the left should say downloads. Wait for it to finish. Then plug in your iDevice and go to the screen of your iDevice name and press sync. When the sync finishes clickon the app on your device.